Topological Theories from Virasoro Constraints on the KP Hierarchy
Abstract
A conformal field theory can be recovered, via the Kontsevich-Miwa transform, as a solution to the Virasoro constraints on the KP tau function. That theory, which we call KM CFT, consists of d ≤ 1 matter plus a scalar and a dressing prescription: = 0 for every primary field. By adding a spin-1 bc system the KM CFT provides a realization of the N=2 twisted topological algebra. The other twist of the corresponding untwisted N=2 superconformal theory is a DDK realization of the N=2 twisted topological algebra. Talk given by Beatriz Gato-Rivera at the "28th International Symposium on the Theory of Elementary Particles", Wendisch-Rietz (Germany), August 30 - September 3, 1994.
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